<?php
class Apps_View_Helper_RouteUrl extends Zend_View_Helper_Abstract {
	public function routeUrl($string) {
        $unicode = array(
                'a'=>'á|à|ả|ã|ạ|ă|ắ|ặ|ằ|ẳ|ẵ|â|ấ|ầ|ẩ|ẫ|ậ',
                'd'=>'đ',
                'e'=>'é|è|ẻ|ẽ|ẹ|ê|ế|ề|ể|ễ|ệ',
                'i'=>'í|ì|ỉ|ĩ|ị',
                'o'=>'ó|ò|ỏ|õ|ọ|ô|ố|ồ|ổ|ỗ|ộ|ơ|ớ|ờ|ở|ỡ|ợ',
                'u'=>'ú|ù|ủ|ũ|ụ|ư|ứ|ừ|ử|ữ|ự',
                'y'=>'ý|ỳ|ỷ|ỹ|ỵ',
                'A'=>'Á|À|Ả|Ã|Ạ|Ă|Ắ|Ặ|Ằ|Ẳ|Ẵ|Â|Ấ|Ầ|Ẩ|Ẫ|Ậ',
                'D'=>'Đ',
                'E'=>'É|È|Ẻ|Ẽ|Ẹ|Ê|Ế|Ề|Ể|Ễ|Ệ',
                'I'=>'Í|Ì|Ỉ|Ĩ|Ị',
                'O'=>'Ó|Ò|Ỏ|Õ|Ọ|Ô|Ố|Ồ|Ổ|Ỗ|Ộ|Ơ|Ớ|Ờ|Ở|Ỡ|Ợ',
                'U'=>'Ú|Ù|Ủ|Ũ|Ụ|Ư|Ứ|Ừ|Ử|Ữ|Ự',
                'Y'=>'Ý|Ỳ|Ỷ|Ỹ|Ỵ',
        );

	    $string = trim($string);

        foreach($unicode as $nonUnicode=>$uni){
            $string = preg_replace("/($uni)/i", $nonUnicode, $string);
        }

        $arr    = explode(' ', $string);
        $string = implode('-', $arr);

        return strtolower($string);
    }
}
